Abstract
We develop a technique for reducing the problem of the ultraviolet divergences and their removal to a free field problem. This work is an example of a problem to which a rather general method can be applied. It can be thought as an attempt towards a rigorous version (in 2 or 3 space-time dimensions) of the analysis of the structure of the functional integrals developed in [9], the underlying mechanism being essentially the same as in [11,3].
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Communicated by K. Osterwalder
Supported by IHES, through financial support from the “Stiftung Volkswagenwerk”
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Benfatto, G., Cassandro, M., Gallavotti, G. et al. Ultraviolet stability in Euclidean scalar field theories. Commun.Math. Phys. 71, 95–130 (1980). https://doi.org/10.1007/BF01197916
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DOI: https://doi.org/10.1007/BF01197916